<template>
    <div>
        <!-- 面包屑 -->
        <el-breadcrumb separator="/">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
<!-- 卡片内容 -->
        <el-card class="box-card">
        <!-- 搜索与添加区域 -->
        <el-row :gutter="25">
            <el-col span="8">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                </el-input>
            </el-col>
            <el-col span="4">
                <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
            </el-col>
        </el-row>
        <!-- 用户列表区域 -->
        <el-table :data="userlist" border stripe >
        <el-table-column type="index" label="序号"></el-table-column>
            <el-table-column label="姓名" prop="username"></el-table-column>
            <el-table-column label="邮箱" prop="email"></el-table-column>
            <el-table-column label="电话" prop="mobile"></el-table-column>
            <el-table-column label="角色" prop="role_name"></el-table-column>
            <el-table-column label="状态">
                <template slot-scope="scope">
                    <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                    </el-switch>
                </template>
            </el-table-column>
            <el-table-column label="操作" width="180px">
                <!-- 操作的三个按钮 -->
                <template slot-scope="scope"> 
                    <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>

                    <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                    <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                    </el-tooltip>
                </template>
            </el-table-column>
        </el-table>

        <!-- 分页区域 -->
                <el-pagination @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]"
                :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper"
                :total="total">
                </el-pagination>
        </el-card>
        <!-- 添加用户提示对话框 -->
            <el-dialog title="添加用户"  :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
            <!-- 内容主体区域 -->
           <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
            <el-form-item label="用户名" prop="username">
                <el-input v-model="addForm.username"></el-input>
            </el-form-item>
            <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password"></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
                <el-input v-model="addForm.mobile"></el-input>
            </el-form-item>
            </el-form>
            <!-- 底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible= false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
            </el-dialog>

            <!-- 修改用户对话框 -->
            <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
            
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
            <el-form-item label="用户名" >
                <el-input v-model="editForm.username" disabled></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email" ></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
                <el-input v-model="editForm.mobile" ></el-input>
            </el-form-item>
            </el-form>

            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo">确 定</el-button>
            </span>
            </el-dialog>



            <!-- 分配角色的对话框 -->
            <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible"
            width="50%" @close="setRoleDialogClosed">
                <div>
                    <p>
                        当前的用户：{{userInfo.username}}
                    </p>
                    <p>
                        当前的角色：{{userInfo.role_name}}
                    </p>
                    <p>分配新角色
                          <el-select v-model="seletedRoleId" placeholder="请选择">
                                <el-option
                                v-for="item in rolesList"
                                :key="item.id"
                                :label="item.roleName"
                                :value="item.id">
                                </el-option>
                            </el-select>
                    </p>
                </div>
                <span slot="footer" class="dialog-footer">
                    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
                </span>
                </el-dialog>
    </div>
</template>
<script>
export default{
    data(){
        // 验证邮箱的规则
        var checkEmail = (rule,value,cb)=>{
            // 验证邮箱的正则表达
           const regEmail=  /^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/

            if(regEmail.test(value)){
                return cb()
            }
            cb(new Error('请输入合法的邮箱'))
        }
        var checkMobile = (rule,value,cb)=>{
            const regMobile = /^(?:(?:\+|00)86)?1(?:(?:3[\d])|(?:4[5-79])|(?:5[0-35-9])|(?:6[5-7])|(?:7[0-8])|(?:8[\d])|(?:9[189]))\d{8}$/
            if(regMobile.test(value)){
                return cb()
            }
            cb(new Error('请输入合法手机号'))
        }


        return{
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:2
            },
            userlist:[],
            total:0,
            addDialogVisible:false,
            // 添加用户的表单数据
            addForm:{
                username:'',
                password:'',
                email:'',
                mobile:''
            },
            // 添加表单验证规则对象
            addFormRules:{
                username:[
                    
                    {
                        // 必填项验证规则
                        required:true,
                        message:'请输入用户名',
                        trigger:'blur'
                    },
                    {
                        // 长度验证规则
                        min:3,
                        max:10,
                        message:'用户名的长度在3-10个字符之间',
                        trigger:'blur'
                    }
                ],
                password:[
                    
                    {
                        // 必填项验证规则
                        required:true,
                        message:'请输入密码',
                        trigger:'blur'
                    },
                    {
                        // 长度验证规则
                        min:6,
                        max:15,
                        message:'密码的长度在6-15个字符之间',
                        trigger:'blur'
                    }
                ],
                email:[
                    
                    {
                        // 必填项验证规则
                        required:true,
                        message:'请输入邮箱',
                        trigger:'blur'
                    },{
                        validator:checkEmail,trigger:'blur'
                    }
                ],
                mobile:[
                    
                    {
                        // 必填项验证规则
                        required:true,
                        message:'请输入手机号',
                        trigger:'blur'
                    },{
                        validator:checkMobile,trigger:'blur'
                    }
                ],
            }, // 修改用户对话框的现实与隐藏
            editDialogVisible:false,
            // c查询到的用户对象
            editForm:{},
            // 控制分配角色对话框的显示与隐藏
            setRoleDialogVisible:false,
            // 需要被分配的用户角色
            userInfo:{

            },
            // 所有用户的角色列表
            rolesList:[],
            // 已选中的角色id值
            seletedRoleId:[],
            editFormRules:{
                email:[
                    {
                        required:true,
                        message:'请输入邮箱',
                        trigger:'blur'
                    },
                    {
                        validator:checkEmail,trigger:'blur'
                    }
                ],
                mobile:[
                    {
                        required:true,
                        message:'请输入手机号',
                        trigger:'blur'
                    },
                    {
                        validator:checkMobile,trigger:'blur'
                    }
                ]
            }
        }
    },
     // 获取用户列表的参数对象
    created(){
        this.getUserList()
    },
    methods:{
        async getUserList(){
            const {data:res} = await this.$http.get('users',{params: this.queryInfo})
            if(res.meta.status !==200)
            {return this.$message.error('获取用户列表失败！')}
            this.userlist = res.data.users
            this.total = res.data.total
            console.log(res);
        },
        // 监听pagesize改变的事件
        handleSizeChange(newSize){
            this.queryInfo.pagesize=newSize
            this.getUserList()
        },
        // 监听页码值改变的事件
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getUserList()
        },
        async userStateChanged(userinfo){
            const {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
            if(res.meta.status!==200){
                userinfo.mg_state = !userinfo.mg_state
                return this.$message.error('更新用户状态失败')
            }
            this.$message.success('更新用户状态成功')
        },
        // 监听添加用户对话框的关闭事件
        addDialogClosed(){
            this.$refs.addFormRef.resetFields()
        },
        addUser(){
            this.$refs.addFormRef.validate( async valid =>{
                if (!valid)return
                // 可以发起添加用户的网络请求
                const{data:res} = await this.$http.post('users',this.addForm)
                if(res.meta.status !==201){
                    this.$message.error('添加用户失败')
                }
                    this.$message.success('添加用户成功')
                    // 隐藏添加用户的对话框
                    this.addDialogVisible = false
                    // 重新获取用户列表数据
                    this.getUserList()
            })
        },
        // 展示编辑用户的对话框
        async showEditDialog(id){
            const{data:res} = await this.$http.get('users/'+id)
            if(res.meta.status !==200){
                return this.$message.error('查询用户信息失败')
            }
            this.editForm = res.data
            this.editDialogVisible = true
        },
        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        },
        // 修改用户信息并提交
        editUserInfo(){
            this.$refs.editFormRef.validate( async valid=>{
                if(!valid)return 
                const{data:res} = await this.$http.put('users/'+this.editForm.id,{
                    email:this.editForm.email,
                    mobile:this.editForm.mobile})
                if(res.meta.status !==200){
                    return this.$message.error('修改用户信息失败')
                }
                    this.$message.success('修改用户信息成功')
                    // 隐藏添加用户的对话框
                    this.editDialogVisible = false
                    // 重新获取用户列表数据
                    this.getUserList()
            })
        },
        async removeUserById(id){
            const confirmResult =  await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
        }).catch(err=>err)
        console.log(confirmResult);
        if(confirmResult !='confirm'){
            return this.$message.info('已取消删除')
        }
        const {data:res} = await this.$http.delete('users/'+id)
        if(res.meta.status !==200){
            return this.$message.error('删除用户失败')
        }
        this.$message.success('删除用户成功')
        this.getUserList()
        },
        // 展示分配角色的对话框
        async setRole(userInfo){
            this.userInfo = userInfo
            // 在展示对话框之前获取所有角色列表
            const {data:res} = await this.$http.get('roles')
            if(res.meta.status !==200){
                return this.$message.error('获取橘色列表失败')
            }
            this.rolesList = res.data
            this.setRoleDialogVisible = true
        },
        // 点击按钮分配角色
        async saveRoleInfo(){
            if(!this.seletedRoleId){
                return this.$message.error('请选择要分配的角色')
            }
            const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,
            {
                rid:this.seletedRoleId
            })
            if(res.meta.status!==200){
                return this.$message.error('更新角色失败')
            }
            this.$message.success('更新角色成功')
            this.getUserList()
            this.setRoleDialogVisible = false
        },
        // 监听分配角色对话框的关闭事件
        setRoleDialogClosed(){
            this.seletedRoleId = ''
            this.userInfo = {}
        }
    }
}

</script>
<style lang="less" scoped>



</style>